GA cockpits hit 90–100 dB without protection. That causes permanent hearing damage over time. Here's the right hearing protection at every price point.
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If you're doing your first few lessons before you've bought a headset — or if you're flying with passengers who don't have headsets — you need passive hearing protection. Small GA aircraft produce cockpit noise in the 90–100 dB range. Without protection, sustained exposure causes permanent hearing damage. OSHA considers 90 dB the limit for 8-hour exposure; a 2-hour flight in a Cessna 172 without protection approaches the damage threshold.
Passive ear muffs also serve as an economical solution for passengers on training flights who don't need to hear ATC communications — they get hearing protection without the cost of a headset.
Always use hearing protection in the cockpit — even if you already have a headset. The headset's passive noise reduction is your primary protection. If you're flying with passengers who don't have headsets, give them earmuffs.
Yes — foam earplugs (NRR 29–33 dB) are actually more effective at noise reduction than most earmuffs and cost almost nothing. The downside: they're less comfortable for 2-hour flights, harder to insert correctly in a hurry, and single-use. For a passenger on one flight, foam earplugs are perfectly fine. For regular flying, a quality earmuff is worth the small investment.